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If this looks like an incredibly complex wiring diagram to you, it becaus
stanley cup e it kinda is: you ;re looking at the Allen Mouse Brain Connectivity Atlas, the first detailed map of any mammal neural network. It not a full connectome鈥攖he name given to maps of every single interconnection between neurons in a brain鈥攂ut it the most detailed rendering of interconnections in any mammalian brain yet. It traces connections between tiny cubes, called voxels, of brain tissue containing between 100 and 500 neurons. New
stanley tumbler Scientist describes how it was made: Hongkui Zeng and colleagues at the Allen Institute for Brain Science in Seattle, Washington, injected the brains of 469 mice with a virus that introduced a fluorescent protein into the neural network 8230; Because each animal was injected at a slightly different location, when taken together, the fluorescing proteins gave a snapshot of the network shape. Next, the team diced up each brain into 500,000 pieces each measurin
stanley quencher g 100 micrometers cubed. Based on the strength of fluorescence in the cubes, they generated a 3D map of how each of the 469 different signals spread through the brain thoroughfares and quieter byroads. Sadly, the researchers admit that it will be years before a similar map of the human brain is made. But in the meantime, the result, published in Nature, is a data set that will be used decades to come鈥攑roviding an essential stepping stone to better understanding cond
